mirror of
https://github.com/wassname/simpeg.git
synced 2026-06-28 03:03:17 +08:00
Rowan Cockett
86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
import numpy as np
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import unittest
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from SimPEG import *
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from scipy.sparse.linalg import dsolve
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import inspect
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TOL = 1e-20
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class RegularizationTests(unittest.TestCase):
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def setUp(self):
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hx, hy, hz = np.random.rand(10), np.random.rand(9), np.random.rand(8)
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hx, hy, hz = hx/hx.sum(), hy/hy.sum(), hz/hz.sum()
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mesh1 = Mesh.TensorMesh([hx])
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mesh2 = Mesh.TensorMesh([hx, hy])
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mesh3 = Mesh.TensorMesh([hx, hy, hz])
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self.meshlist = [mesh1,mesh2, mesh3]
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def test_regularization(self):
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for R in dir(Regularization):
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r = getattr(Regularization, R)
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if not inspect.isclass(r): continue
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if not issubclass(r, Regularization.BaseRegularization):
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continue
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for i, mesh in enumerate(self.meshlist):
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print 'Testing %iD'%mesh.dim
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mapping = r.mapPair(mesh)
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reg = r(mesh, mapping=mapping)
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m = np.random.rand(mapping.nP)
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reg.mref = np.ones_like(m)*np.mean(m)
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print 'Check: phi_m (mref) = %f' %reg.eval(reg.mref)
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passed = reg.eval(reg.mref) < TOL
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self.assertTrue(passed)
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print 'Check:', R
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passed = Tests.checkDerivative(lambda m : [reg.eval(m), reg.evalDeriv(m)], m, plotIt=False)
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self.assertTrue(passed)
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print 'Check 2 Deriv:', R
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passed = Tests.checkDerivative(lambda m : [reg.evalDeriv(m), reg.eval2Deriv(m)], m, plotIt=False)
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self.assertTrue(passed)
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def test_regularization_ActiveCells(self):
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for R in dir(Regularization):
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r = getattr(Regularization, R)
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if not inspect.isclass(r): continue
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if not issubclass(r, Regularization.BaseRegularization):
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continue
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for i, mesh in enumerate(self.meshlist):
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print 'Testing Active Cells %iD'%(mesh.dim)
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if mesh.dim == 1:
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indAct = Utils.mkvc(mesh.gridCC <= 0.8)
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elif mesh.dim == 2:
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indAct = Utils.mkvc(mesh.gridCC[:,-1] <= 2*np.sin(2*np.pi*mesh.gridCC[:,0])+0.5)
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elif mesh.dim == 3:
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indAct = Utils.mkvc(mesh.gridCC[:,-1] <= 2*np.sin(2*np.pi*mesh.gridCC[:,0])+0.5 * 2*np.sin(2*np.pi*mesh.gridCC[:,1])+0.5)
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mapping = Maps.IdentityMap(nP=indAct.nonzero()[0].size)
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reg = r(mesh, mapping=mapping, indActive=indAct)
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m = np.random.rand(mesh.nC)[indAct]
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reg.mref = np.ones_like(m)*np.mean(m)
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print 'Check: phi_m (mref) = %f' %reg.eval(reg.mref)
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passed = reg.eval(reg.mref) < TOL
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self.assertTrue(passed)
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print 'Check:', R
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passed = Tests.checkDerivative(lambda m : [reg.eval(m), reg.evalDeriv(m)], m, plotIt=False)
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self.assertTrue(passed)
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print 'Check 2 Deriv:', R
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passed = Tests.checkDerivative(lambda m : [reg.evalDeriv(m), reg.eval2Deriv(m)], m, plotIt=False)
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self.assertTrue(passed)
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if __name__ == '__main__':
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unittest.main()
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